ATK hosts #DM3 Tweetup for 5-segment motor ground test in Utah

Can’t make it to GRAIL? Attend the #DM3 tweetup for the five-segment ground test at Promontory, Utah, September 8. Send a DM to @ATKRocketNews or @ATKOutreach on Twitter if you’re interested in tweeting live from the Utah desert. Click here to learn more about the ground test.

[...] we were interested to see the practice expand to the private sector. Aside from ATK, which held a space-related Tweetup for fans to watch a solid rocket test this past September, Lockheed seems to be the first aerospace [...]